Add ktx

ktx/scripts/download_release_assets.sh

@@ -0,0 +1,69 @@
+#! /usr/bin/env bash
+# Copyright 2024 The Khronos Group Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+function usage() {
+  echo "Usage: $0 [--help] [--pre-release] [--filter <pattern>] [--output-dir <directory>]"
+  echo ""
+  echo "Download the assets of the latest KTX-Software release from the"
+  echo "GitHub repo."
+  echo ""
+  echo "Options:"
+  echo "  --filter, -f <pattern>"
+  echo "             Only download assets whose name matches <pattern> where"
+  echo "             pattern is a regular expression."
+  echo "  --help, -h Print this usage message."
+  echo "  --output-dir <directory>"
+  echo "             Save the downloaded files in <directory>. Defaults to"
+  echo "             the current directory."
+  echo "  --draft, -d"
+  echo "             Retrieve assets from latest draft. Requires suitable"
+  echo "             GitHub access token in .netrc."
+  echo "  --pre-release, -p"
+  echo "             Retrieve assets from latest pre-release. Will retrieve"
+  echo "             from latest draft if it is also marked pre-release."
+  exit $1
+}
+
+# list_releases.sh should be colocated with this script
+# and the directory may not be in $PATH.
+get_release=$(dirname $0)/list_releases.sh
+
+target="--latest"
+output_dir="."
+
+while [ $# -ne 0 ]; do
+  case $1 in
+    --filter | -f)
+      if [ $# -lt 1 ]; then
+        usage 1
+      else
+        pattern=$2
+        shift 2
+      fi
+      ;;
+    --help | -h)
+      usage 0;;
+    --output-dir | -o)
+      if [ $# -lt 1 ]; then
+        usage 1
+      else
+        output_dir=$2
+        shift 2
+      fi
+      ;;
+    --draft | -d)
+      target="--latest-draft"
+      shift;;
+    --pre-release | -p)
+      target="--latest-pre"
+      shift;;
+    *) usage 1;;
+  esac
+done
+
+# Retrieve target release metadata, extract and filter assets and extract
+# their urls using jq (jquery). Must use the url not browser_download_url
+# as we retrieve the asset via api.github.com so we can get assets from
+# drafts when necessary.
+jq ".assets | map(select(.name | test(\"$pattern\"))) | map(.url)" <<< $($get_release $target) | jq -c '.[]' | xargs -L 1 curl -O -J -L -n --create-dirs --output-dir $output_dir  -H "Accept: application/octet-stream" -H "X-GitHub-Api-Version: 2022-11-28"